[Lldb-commits] [lldb] Improve type lookup using .debug_names parent chain (PR #108907)

[via lldb-commits]

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@@ -301,7 +301,8 @@ using Entry = llvm::DWARFDebugNames::Entry;
 /// If any parent does not have an `IDX_parent`, or the Entry data is corrupted,
 /// nullopt is returned.
 std::optional<llvm::SmallVector<Entry, 4>>
-getParentChain(Entry entry, uint32_t max_parents) {
+getParentChain(Entry entry,
+               uint32_t max_parents = std::numeric_limits<uint32_t>::max()) {
   llvm::SmallVector<Entry, 4> parent_entries;
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jeffreytan81 wrote:

Do you know what branch in this function will cut short during "intermediate types is in a type unit" situation? Is it "entry.hasParentInformation()" returning false, or "entry.getParentDIEEntry()" return failure? 

https://github.com/llvm/llvm-project/pull/108907